void EBBParser::parseStream()
{
if (!mStream.available())
return;
const char inChar = mStream.read();
if (inChar != '\r') {
if (mReadBuffer.length() < 64 && isprint(inChar))
mReadBuffer += inChar;
return;
}
char* str = mReadBuffer.begin();
const char* cmd = strsep(&str, ",");
const char* arg1 = strsep(&str, ",");
const char* arg2 = strsep(&str, ",");
const char* arg3 = strsep(&str, ",");
if (strcmp(cmd, "EM") == 0) {
parseEM(arg1, arg2);
} else if (strcmp(cmd, "ND") == 0) {
parseND();
} else if (strcmp(cmd, "NI") == 0) {
parseNI();
} else if (strcmp(cmd, "PD") == 0) {
sendAck();
} else if (strcmp(cmd, "PO") == 0) {
parsePO(arg1, arg2, arg3);
} else if (strcmp(cmd, "QB") == 0) {
parseQB();
} else if (strcmp(cmd, "QL") == 0) {
parseQL();
} else if (strcmp(cmd, "QN") == 0) {
parseQN();
} else if (strcmp(cmd, "QP") == 0) {
parseQP();
} else if (strcmp(cmd, "SC") == 0) {
parseSC(arg1, arg2);
} else if (strcmp(cmd, "SE") == 0) {
parseSE(arg1, arg2, arg3);
} else if (strcmp(cmd, "SL") == 0) {
parseSL(arg1);
} else if (strcmp(cmd, "SM") == 0) {
parseSM(arg1, arg2, arg3);
} else if (strcmp(cmd, "SN") == 0) {
parseSN(arg1);
} else if (strcmp(cmd, "SP") == 0) {
parseSP(arg1, arg2, arg3);
} else if (strcmp(cmd, "TP") == 0) {
parseTP(arg1);
} else if (strcmp(cmd, "v") == 0) {
parseV();
} else
sendError();
mReadBuffer = "";
}
static void skipScalingList(ABitReader *br, size_t sizeOfScalingList) {
size_t lastScale = 8;
size_t nextScale = 8;
for (size_t j = 0; j < sizeOfScalingList; ++j) {
if (nextScale != 0) {
signed delta_scale = parseSE(br);
// ISO_IEC_14496-10_201402-ITU, 7.4.2.1.1.1, The value of delta_scale
// shall be in the range of −128 to +127, inclusive.
if (delta_scale < -128) {
ALOGW("delta_scale (%d) is below range, capped to -128", delta_scale);
delta_scale = -128;
} else if (delta_scale > 127) {
ALOGW("delta_scale (%d) is above range, capped to 127", delta_scale);
delta_scale = 127;
}
nextScale = (lastScale + (delta_scale + 256)) % 256;
}
lastScale = (nextScale == 0) ? lastScale : nextScale;
}
}
